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It's not rebar. It's lab-grown-diamond-coated hardened steel.rodbargee wrote: Thu Feb 26, 2026 10:18 pm Once upon a time we had the mighty Almax chain now the flavour of the month looks from the vids I'v seen like, re-bar dressed up as a U lock that will consume a battery powered angle grider with ease...any first hand exerience .........discuss
Just publishedHorse wrote: Thu Feb 26, 2026 10:46 pm The Bennetts BikeSocial team do a good job of attempting to destruction test locks. There are some systems - more than just 'a lock' - that ear angle grinders.
I have the same, I was one of the early adopters and funded them on crowdfund, so I had no idea if it was any good or not. I've also then bought a Hiplok dxxl lock and chain so can use a combination of both locks and have the facility to lock the bike to something solid.Didge wrote: Sat Feb 28, 2026 12:25 am I went for the Hiplock DX1000 when I was changing bikes. I bought two of them, one for each bike, and I'm going to buy a third for the Enfield.
Easy enough to carry around, and they've had a good write up on every test that I've read.
They're expensive, but what price does one put on one's bike?
Sadly, thiefs aren't that easily discouraged, if the lock is through the wheel only, they just grind through the nice soft aluminium spokeA_morti wrote: Thu Feb 26, 2026 11:04 pmIt's not rebar. It's lab-grown-diamond-coated hardened steel.rodbargee wrote: Thu Feb 26, 2026 10:18 pm Once upon a time we had the mighty Almax chain now the flavour of the month looks from the vids I'v seen like, re-bar dressed up as a U lock that will consume a battery powered angle grider with ease...any first hand exerience .........discuss
The diamond coating is extremely resistant to abrasive discs to the point it's basically grinder proof if that's all you brought with you as a thief. If the thief realises why his discs are useless and switches to a diamond disc, it will eventually get through the diamond coating but the hardened steel is very resistant to diamond discs, so it'll then blunt immediately. If he switches back to an abrasive disc, he's still cutting through the edges of the bar which are still coated, and the disc won't last long.
So these locks are extremely grinder resistant. Basically grinder proof really, unless the thief happened to bring at least a handful of diamond discs, and a handful of abrasive discs with him.
And better double all that including (crucially) the grinder battery, because the good ones have a square shackle and/or well designed locking pin which you'd have to cut at two points to have it release off the bike.
From that article:Horse wrote: Thu Feb 26, 2026 11:20 pmJust publishedHorse wrote: Thu Feb 26, 2026 10:46 pm The Bennetts BikeSocial team do a good job of attempting to destruction test locks. There are some systems - more than just 'a lock' - that ear angle grinders.
https://www.bennetts.co.uk/bikesocial/r ... e-security
That might be true, but it feels overly reassuring, at least for somewhere like London. A fellow bike club member had her GS 1250 stolen recently. She lives in a gated cluster of flats. The bike was stolen from a basement, locked garage. Her other bike, and someone else's bike, weren't touched. Clearly a targeted theft.From that article:
" ... using any lock, even a cheap one, will significantly reduce the chances of your bike being stolen ...
"Our data shows that using a disc lock reduces the chance of a thief stealing your bike by a factor of three, while a quality chain and lock will make it less likely to be stolen than a car."
That's why I also bought myself the Hiplock DXXL, the chain can wrap through itself so can be quite long. So DX1000 for the front and the DXXL for the rear, along with a disclock. It is less substantial than the DX1000, but weighs quite a bit less than my almax, which is probably not feasable to lug around on the bike all the time.Scootabout wrote: Sun Mar 01, 2026 8:52 pm If there's any problem with super-resistant locks like the Hiplock, it's the risk of being lulled into believing that you don't need to lock the bike to something solid. I doubt there's any lock that can't be defeated after it's been lifted into a van and taken back to a workshop.
Indeed.
Many thanks—that’s by far the best video I’ve seen on angle grinder-resistant locks. I was an early Hiplock adopter, but with hindsight, I’d prefer a smaller-sized lock to fit in my tankbag.Pirahna wrote: Sat Mar 28, 2026 4:01 pm Just watched this video. It's aimed at cyclists but includes the Litelok X3 and Hiplok D1000. The best lock for angle grinder resistance is a bicycle lock, the Kryptonite New York Diamond.